I don't know

Sayonara Mio-chan Band Introduction & New Song "I Don't Know"
Based in Sapporo, Hokkaido, Sayonara Mio-chan is a self-described "all-directional entertainment collective" known for their unrelenting live energy - a reputation they're not shy about owning themselves.
Formed in the summer of 2014, the band has walked an unconventional path: performing for U.S. military personnel on base, enduring electric steel beam challenges, even risking their own blood in intense games of mahjong. These chaotic and borderline absurd "battles" shaped the group into its current lineup.

In October 2022, they released their first full-length album Soshite Second e nationwide in physical CD format. Coming this September 2025 via EVOL RECORDS, the band will drop their digital single I Don't Know - a raw, emotionally charged track born from frontman Yayoi Hino's breakup with his ex-girlfriend.

The song doesn't attempt to provide a "correct way" to process heartbreak or a roadmap for moving on. Instead, it gently embraces the reality of what has simply happened. With sentimental yet grounded lyricism, I Don't Know captures the lingering presence of love, the dull ache of separation, and the way someone becomes a memory that quietly lives on. The final line, "I hope you can't forget me," leaves a soft echo in the listener's own heart.

[Song Commentary by Yayoi Hino (Vo./Gt.)]
"There's nothing particularly good about dating a musician. But there is one clearly bad thing - you might end up in a song.
I'm not the kind of artist who keeps those things private. I'm the type who turns them into painfully good songs. Writing music isn't something I can just do on command - it takes energy. But love and heartbreak, for me, are overwhelming forces that push me to write.

I Don't Know is, as you can hear, a breakup song. After the split, I cried, stared endlessly at our unread LINE messages, cried again, and wandered the streets with a canned drink in hand. Then the chorus - 'Ai, donna? Ai, donna? I don't know' - just came to me with a melody. I ran home, grabbed my guitar, wrote it down, and named it then and there before falling asleep.

I realized again: the drive to create comes from the need to leave something of myself behind. To not be forgotten. To be known. To etch it all into the world."

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